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SECTION 1: SAFETY INFORMATION

1.10  To Prevent Injury...
1.11  Never operate this product if it has a damaged cord or plug.  If it is not working properly, has    
 

been dropped, damaged or has fallen into water, please contact a Gardner Denver Welch  

 

 

service center to arrange return for examination and repair.

1.12    Keep the cord away from heated surfaces. All electrical products generate heat. To avoid seri-   
 

ous burns never touch unit during or immediately after operation.

1.13  Never block any pump case ventilation openings  or place it on a surface where the ventilation   
 

openings may be blocked.  

 

The air openings are for ventilation of the motor inside the housing.  Keep all air openings free   

 

of lint,  dirt and other foreign objects.

1.14  Always disconnect power source before servicing.

1.15  Never insert fi ngers or any other object into any openings.

1.16  Do not operate this product where oxygen is being administered.
1.17  Wear safety glasses and goggles when operating this product. Never point any air nozzle or air  
 

sprayer toward another person or any part of the body.

1.18  Use only in well ventilated areas.  
1.19  Never block pump exhaust.  Serious injury can result from pressure build up.

1.20  To Reduce Risk Of Electrical Shock...
1.21  Do not disassemble. Disassembly or attempted repairs if accomplished incorrectly can create    

 

electrical shock hazard. Refer servicing to qualifi ed service agencies only.

1.22  Unit is supplied with a three pronged plug.  When using the AC adapter, be sure to connect  

 

 

pump to a properly grounded outlet only.

1.30  To Reduce Risk Of Electrocution...
1.31  Do not use this product in or near area where it can fall or be pulled into water or other liquids.
1.32  Do not reach for this product if it has fallen into liquid. Unplug immediately.
1.33  Never operate this product outdoors in the rain or in a wet area.

1.40  To Reduce Risk Of Explosion or Fire...
1.41  Do not use this pump in or near explosive atmospheres or where aerosol (spray) products are   
 

being used.

1.42  Do not pump combustible liquids or vapors with this product or use in or near an area where    

 

fl ammable or explosive liquids or vapors may exist.

1.43  Do not use this product near fl ames.

WARNING

Failure to observe the above safety precautions could result

in severe bodily injury, including death in extreme cases.

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Summary of Contents for WELCH GEMINI 2050

Page 1: ...mited by compatibility with pump materials of construction Always verify vapor chemical compatibility prior to pump use and utilize proper cleaning methods to remove chemical residuals from the pump a...

Page 2: ...ction could result in injury or death to people CAUTION Cautions are found where failure to observe the instruction could result in damage to the equipment associated equipment and process These units...

Page 3: ...02 INSTALLATION 2 10 Introduction 2 20 Unpacking 2 30 Pump Location 2 40 Application Connection Section 03 OPERATION 3 10 Starting Procedures Applications Quali cation 3 20 Leak Detection 3 30 Pump Cl...

Page 4: ...part of the body 1 18 Use only in well ventilated areas 1 19 Never block pump exhaust Serious injury can result from pressure build up 1 20 To Reduce Risk Of Electrical Shock 1 21 Do not disassemble...

Page 5: ...urrounding temperature remains between 10 C and 40 C 50 F and 104 F Always check to insure the location chosen is protected from direct or indirect moisture contact 2 32 Electrical Source GEMINI pumps...

Page 6: ...port Pressure build up in the pump will cause pump to stall 2 42 Tubing Connection Use non collapsible tubing for all vacuum connections Connect to pump inlet using 3 8 10mm ID tubing keeping tubing...

Page 7: ...ons as well as certain alcohols ethanol isopropanol and carboxylic acids acetic acid It is important to check for pump material compatibility with potential fumes that can be drawn off your vacuum app...

Page 8: ...mBar GEMINI Start Up After verifying that your vacuum application is correctly con gured per Section 2 Installation turn on the pump On Off switch Welch recommends running the pump for a few minutes...

Page 9: ...r vapors through the pump for 5 minutes to clean pump contact surfaces GEMINI System Shutdown Procedures After use Welch recommends the pump be run for about 2 minutes disconnected from the vacuum pro...

Page 10: ...ower Failure If pump does not turn on the power adapter can be replaced Contact your Welch representative for information 10 SECTION 6 SPECIFICATION 6 10 SPECIFICATION TABLE 5 10 5 11 5 20 5 21 Parame...

Page 11: ...for any period however short will be repaired under this warranty rather than replaced The warranty is effective for one year from the date of original purchase when 1 The warranty card has been comp...

Page 12: ...ca Gardner Denver Thomas Inc Welch Vacuum Technology 5621 W Howard St Niles IL 60714 USA Phone 847 676 8800 Fax 847 677 8606 Email gdwelchvacuum gardnerdenver com Asia Rietschle Thomas Asia Paci c Ltd...

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